Home / 75,781.16-113,659.49-35,800.05

Finding the Fourth Proportional to 75,781.16, 113,659.49 and 35,800.05

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Solution

The fourth proportional to 75,781.16, 113,659.49 and 35,800.05 is: 53,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,781.16 : 113,659.49 = 35,800.05 : x
  2. Step 2: Convert to fraction form
    75,781.16/113,659.49 = 35,800.05/x
  3. Step 3: Cross multiply
    75,781.16x = 113,659.49 × 35,800.05
  4. Step 4: Simplify right side
    75,781.16x = 4,069,015,424.97
  5. Step 5: Solve for x
    x = 4,069,015,424.97/75,781.16
  6. Step 6: Final answer
    x = 53,694.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.